#include <stdio.h>
#include <string.h>

int main(void){
	char x[] = "Hi\0Hello";
	/* strlen func will get length of string whitch end with "\0"
	 * but sizeof func will count the real size of the string array
	 * so output will be: 2 9*/
	printf("%d %d", strlen(x), sizeof(x));
	return 0;
}
